有如下程序：#includevoidfun(intx，inty){intt;if(x>y){t=x;x=y;y=t;}}intmain(void){inta=，b=，c=;fun(a，b);fun(a，c);fun(b，c);printf(“%d，%d，%dn”，a，b，c);return;}它的输出结果是()